Lochinvar & A.O. Smith 100173749 Door 318518-761 swapping in this genuine OEM

swapping in this genuine OEM part is the fastest way to ensuring a reliable light-off

it maintains consistent manifold pressure via an adjustable servo regulator

streamlining field service calls for technicians managing Fenwal 35-65 series replacements

this 100111335 kit provides a direct-fit solution

Verify the flow arrow on the Emerson Alco 060252 shell to ensure proper orientation toward the compressor to maintain filtration efficiency and prevent debris bypass

Lochinvar & A.O. Smith 100173749 Door 318518-761 swapping in this genuine OEMThe Lochinvar & A. O. Smith 100173749 Heat Exchanger Access Door is a critical combustion chamber component engineered for Lochinvar Knight WB and SNA SLA series boilers. As a veteran grade OEM replacement part, this access door (WB model) ensures a high pressure seal for the heat exchanger assembly, facilitating essential annual maintenance and internal fire tube cleaning. Built with heavy duty materials to withstand high thermal stress, it maintains